Home / 247,128.60-341,026.63-145,164.50

Finding the Fourth Proportional to 247,128.60, 341,026.63 and 145,164.50

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Solution

The fourth proportional to 247,128.60, 341,026.63 and 145,164.50 is: 200,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,128.60 : 341,026.63 = 145,164.50 : x
  2. Step 2: Convert to fraction form
    247,128.60/341,026.63 = 145,164.50/x
  3. Step 3: Cross multiply
    247,128.60x = 341,026.63 × 145,164.50
  4. Step 4: Simplify right side
    247,128.60x = 49,504,960,230.64
  5. Step 5: Solve for x
    x = 49,504,960,230.64/247,128.60
  6. Step 6: Final answer
    x = 200,320.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.